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//Example 11_5
clc();
clear;
//To findout how long does the heater takes to heat
m=500 //Units in gm
c=0.033 //Units in Cal/gm Centigrade
tf=357 //Units in Centigrade
to=20 //Units in Centigrade
m1=30 //Units in gm
hv=65 //Units in cal/gm
Hg=((m*c*(tf-to))+(m1*hv))*4.1808135 //units in Joules
delivered=70 //Units in Joule/Sec
t=Hg/delivered //Units in sec
printf("The time taken is t=%d sec",t)
//In textbook answer printed wrong as t=450 sec correct answer is t=448 sec
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